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The Atlas 5 in the 551 configurations with five solid rocket boosters lifted off at 6:13 AM EST from Space Launch Complex-41 from Cape Canaveral Air Force Station, Florida.
In a July 23 letter to top procurement officials, obtained by The Washington Post, Boeing defense CEO Leanne Caret said the Air Force's request for proposals "takes no steps to mitigate Northrop's anticompetitive and inherently unfair cost, resource and integration advantages" related to solid rocket motors.
The A64 launch vehicle will feature a modular configuration based on core stages powered by lower and upper liquid propellant modules, which is supplemented by four solid rocket motors.
The facility will support several large solid rocket motor opportunities, including the Ground Based Strategic Deterrent program, hypersonics and missile defense targets.
M2 EQUITYBITES-April 30, 2019-Aerojet Rocketdyne breaks ground on solid rocket motor development facility
Travel Business Review-April 30, 2019-Aerojet Rocketdyne breaks ground on solid rocket motor development facility
EST (19:00GMT), jettisoning its solid rocket boosters several minutes later.
The four liquid strap-ons and a solid rocket motor at the core form the first stage.
The Aerospace Corp.'s Center for Space Policy and Strategy in April published a report, "The Policy and Science of Rocket Emissions." The authors Martin Ross and James A.Vedda wrote: "Rockets directly inject combustion products into the stratosphere," and some of these "emissions deplete the ozone and alter the radiative balance of the atmosphere," especially solid rocket fueled engines.
Aerojet Rocketdyne of El Segundo, California, which has an 800-plus-employee solid rocket motor production facility in East Camden, is competing to land a multibillion-dollar piece of an $85 billion program to replace America's aging fleet of intercontinental ballistic missiles.
Building on the combat-proven PAC-3, the PAC-3 MSE uses a two-pulse solid rocket motor that increases altitude and range to defend against evolving threats.